Thomas Lee Crowell. (1961). Modern English workbook: Exercises and drillsfor advanced students. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoThomas Lee Crowell. Modern English Workbook: Exercises and Drillsfor Advanced Students. New York: McGraw-Hill, 1961.
MLA引文Thomas Lee Crowell. Modern English Workbook: Exercises and Drillsfor Advanced Students. New York: McGraw-Hill, 1961.
警告：這些引文格式不一定是100％准確.